Dorman 918-359 PCV Valve Diaphragm

Overview of Dorman 918-359 PCV Valve Diaphragm

The Dorman 918-359 PCV Valve Diaphragm is designed for reliable crankcase ventilation in Ford F-250 Super Duty and F-350 Super Duty trucks. This replacement part ensures proper emission control by maintaining optimal pressure and flow within the crankcase ventilation system.

• Constructed with durable materials including steel, rubber, plastic, and rubber components
• Diameter of 3.25 inches and thickness of 0.025 inches for precise fitment
• Includes a spring to maintain diaphragm tension and functionality
• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Part number 918-359 for accurate identification and replacement

Detailed Product Description

The Dorman 918-359 PCV Valve Diaphragm is engineered using a combination of steel, rubber, and plastic materials to provide durability and resistance to wear in demanding engine environments. The diaphragm measures 3.25 inches in diameter with a thickness of 0.025 inches, ensuring a precise seal and proper operation within the crankcase ventilation system. The included spring maintains consistent diaphragm movement, which is critical for regulating crankcase pressure and preventing harmful emissions from entering the atmosphere.

Compatible Vehicles and Applications

This PCV valve diaphragm is specifically designed for use in Ford F-250 Super Duty and F-350 Super Duty trucks. It is an essential component in the emission control system, helping to reduce engine blow-by gases and maintain engine performance. The part number 918-359 corresponds directly to this application, ensuring compatibility and ease of replacement.

• Prevents excessive crankcase pressure buildup
• Reduces harmful hydrocarbon emissions
• Helps maintain engine efficiency and performance
• Minimizes oil leaks and contamination
• Supports proper ventilation of blow-by gases

Installation Notes and Tips

When installing the Dorman 918-359 PCV Valve Diaphragm, ensure the engine is cool and the old diaphragm is fully removed. Verify the orientation of the diaphragm and spring to match the original setup. Proper sealing is critical to prevent vacuum leaks, so inspect the surrounding components for wear or damage during installation. Use appropriate tools to avoid damaging the diaphragm or related parts.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for emission control systems. While specific warranty details for part number 918-359 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to official Dorman documentation for complete warranty information.